MC75172B Datasheet, PDF (3/12 Pages) ON Semiconductor – QUAD EIA-485 LINE DRIVERS

MC75172B MC75174B
p p p p ELECTRICAL CHARACTERISTICS (–40°C TA 85°C, 4.75 V VCC 5.25 V, unless otherwise noted.)
Characteristics
Symbol
Min
Typ
Max
Unit
Inputs
Low Level Voltage (Pins 4 & 12, MC75174B only)
Low Level Voltage (All Other Pins)
High Level Voltage (All Inputs)
Current @ Vin = 2.7 V (All Inputs)
Current @ Vin = 0.5 V (All Inputs)
VIL(A)
0
VIL(B)
0
VIH
2.0
Vdc
–
0.7
–
0.8
–
VCC
IIH
–
0.2
20
µA
IIL
–100
–15
–
Clamp Voltage (All Inputs, Iin = –18 mA)
Thermal Shutdown Junction Temperature
Power Supply Current (Outputs Open, VCC = 5.25 V)
Outputs Enable
Outputs Disabled
VIK
–1.5
–
–
Vdc
Tjts
–
+150
–
°C
ICC
mA
–
60
70
–
30
40
TIMING CHARACTERISTICS (TA = 25°C, VCC = 5.0 V)
Characteristics
Propagation Delay – Input to Single–ended Output (Figure 3)
Output Low–to–High
Output High–to–Low
Propagation Delay – Input to Differential Output (Figure 4)
Input Low–to–High
Input High–to–Low
Differential Output Transition Time (Figure 4)
Skew Timing
tPLHD – tPHLD ^ for Each Driver
Max – Min tPLHD Within a Package
Max – Min tPHLD Within a Package
Enable Timing
Single–ended Outputs (Figure 5)
Enable to Active High Output
Enable to Active Low Output
Active High to Disable (using Enable)
Active Low to Disable (using Enable)
Enable to Active High Output (MC75172B only)
Enable to Active Low Output (MC75172B only)
Active High to Disable (using Enable, MC75172B only)
Active Low to Disable (using Enable, MC75172B only)
Differential Outputs (Figure 6)
Enable to Active Output
Enable to Active Output (MC75172B only)
Enable to 3–State Output
Enable to 3–State Output (MC75172B only)
Symbol
Min
Typ
Max
Unit
tPLH
tPHL
ns
–
23
30
–
18
30
tPLH(D)
–
tPHL(D)
–
ns
15
25
17
25
tdr, tdf
–
19
25
ns
tSK1
tSK2
tSK3
ns
–
0.2
–
–
1.5
–
–
1.5
–
ns
tPZH(E)
–
tPZL(E)
–
tPHZ(E)
–
tPLZ(E)
–
tPZH(E)
–
tPZL(E)
–
tPHZ(E)
–
tPLZ(E)
–
tPZD(E)
–
tPZD(E)
–
tPDZ(E)
–
tPDZ(E)
–
48
60
20
30
35
45
30
50
58
70
28
35
38
50
36
50
ns
47
–
56
–
32
–
40
–
MOTOROLA ANALOG IC DEVICE DATA
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